Blue-Groove point and cutting edge for faster chip removal

Double cutting spurs scribe the outside of the hole reducing breakout

10% larger shank for added durability

Grooved hex shank prevents slipping in drill chuck or bit extension

Bit identification is simple with easy-to-read size markings

Standard length

Includes sizes: 3/8", 1/2", 5/8", 3/4", 7/8", and 1"